package com.huige.wiki.util;

import org.springframework.beans.BeanUtils;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.List;

/**
 * 对象复制
 */
public class CopyUtil {
    /**
     * 单体复制
     */
    public static <T> T copy(Object source,Class<T> clazz){
        if(source==null) return null;
        T obj = null;

        try {
            obj = clazz.newInstance();
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
        BeanUtils.copyProperties(source,obj);
        return obj;
    }

    /**
     * 列表复制
     *
     */
    public static <T>List<T> copyList(List source,Class<T> clazz){
        List<T> target = new ArrayList<>();
        if(!CollectionUtils.isEmpty(source)){
            for(Object c:source){
                T obj = copy(c,clazz);
                target.add(obj);
            }
        }

        return  target;
    }
}
